<template>
<div>
    <div class="search">
        <input type="text" v-model='keyword' class="search-input" placeholder="输入城市名或拼音"/>
    </div>
    <div class="search-content" ref="search" v-show="keyword">
        <ul  >
            <li class="search-item border-bottom" v-for='item of list' :key="item.id" @click="handleCityClick(item.name)">{{item.name}}</li>
            <li class="search-item border-bottom" v-show="hasNodata">没有找到匹配数据</li>
        </ul>
    </div>
</div>
</template>
<script>
import Bscroll from 'better-scroll'
import {mapMutations} from 'vuex'
export default {
    name:'CitySearch',
    props:{
        cities:Object
    },
    data(){
        return {
            keyword:'',
            list :[],
            timer:null
        }
    },
    mounted(){
        this.scroll= new Bscroll(this.$refs.search)
    },
    computed:{
        hasNodata(){
            return !this.list.length
        }
    },
    methods:{
        handleCityClick (city){
        // this.$store.dispatch('changeCity',city)
        // this.$store.commit('changeCity',city)
        this.changeCity(city)
        this.$router.push('/')
      },
      ...mapMutations(['changeCity'])
    },
    watch:{
        keyword (){
            if(this.timer){
                clearTimeout(this.timer)
            }
            if(!this.keyword){
                this.list=[]
                return 
            }
            this.timer=setTimeout(()=>{
                const result =[]
                for(let i in  this.cities){
                    this.cities[i].forEach((value)=>{
                        if(value.spell.indexOf(this.keyword) >-1 ||value.name.indexOf(this.keyword)>-1){
                            result.push(value)
                        }
                    })
                }
                this.list=result
                console.log(this.list)
            },100)
        }
    }
}
</script>
<style lang="stylus" scoped>
@import '~@/assets/styles/varibles.styl'
.search
    height 0.72rem
    background:$bgColor
    padding:0 .1rem
    .search-input
        box-sizing:border-box
        height 0.62rem
        line-height:.62rem
        width:100%
        text-align:center
        border-radius .06rem
        color:#666
        padding:0 .1rem
.search-content
    z-index:1
    overflow hidden
    position:absolute
    top:1.58rem
    left:0;
    right:0
    bottom:0
    background:#eee
    .search-item
        line-height:.62rem
        padding-left:.2rem
        color:#666
        background:#fff

</style>
